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115312442472 = 23328147196583
BaseRepresentation
bin110101101100100101…
…0000011110001101000
3102000122022201000102200
41223121022003301220
53342124441124342
6124550201500200
711221356405633
oct1533112036150
9360568630380
10115312442472
11449a395a837
121a421aa1660
13ab48cc1aa6
14581c976c1a
152eed6b994c
hex1ad9283c68

115312442472 has 48 divisors (see below), whose sum is σ = 312344454240. Its totient is φ = 38432567328.

The previous prime is 115312442447. The next prime is 115312442473. The reversal of 115312442472 is 274244213511.

115312442472 is a `hidden beast` number, since 1 + 153 + 12 + 4 + 424 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (115312442473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488293 + ... + 684875.

It is an arithmetic number, because the mean of its divisors is an integer number (6507176130).

Almost surely, 2115312442472 is an apocalyptic number.

115312442472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115312442472 is an abundant number, since it is smaller than the sum of its proper divisors (197032011768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115312442472 is a wasteful number, since it uses less digits than its factorization.

115312442472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204742 (or 204735 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

Adding to 115312442472 its reverse (274244213511), we get a palindrome (389556655983).

The spelling of 115312442472 in words is "one hundred fifteen billion, three hundred twelve million, four hundred forty-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 8147 16294 24441 32588 48882 65176 73323 97764 146646 195528 196583 293292 393166 586584 589749 786332 1179498 1572664 1769247 2358996 3538494 4717992 7076988 14153976 1601561701 3203123402 4804685103 6406246804 9609370206 12812493608 14414055309 19218740412 28828110618 38437480824 57656221236 115312442472